-Sources of Info-

Books

Graduate Study in Psychology, American Psychological Association
-Large, comprehensive guide to all psychology graduate programs in the US, their admissions requirements and stats, contact information, etc. The index has an index of programs by area of study.

Insider's Guide to Graduate Programs in Clinical and Counseling Psychology, 2000/2001, Tracy J. Mayne, et al
-An excellent resource for undergraduates, recent graduates, and master's level students contemplating applying to clinical psychology programs.

Getting In: A Step-by-Step Plan for Gaining Admission to Graduate School in Psychology, American Psychological Association
-A smaller book that concisely details every step and has numerous forms to guide you through the application process

The Complete Guide to Graduate School Admission: Psychology, Counseling, and Related Professions, Patricia Keith-Spiegel, Michael W. Wiederman (2000)
-revised version of an extraordinarily popular guide to graduate school admission based on Dr. Keith-Spiegel's research on and experience with the admissions process. The entire book is comprised of a conversation between the authors and a hypothetical student who asks questions like: What are "They" Looking For? What About Research and Practicum Experience? Etc.